#include<stdio.h>
void main(){
	int a=5,b=2;
	double c=(double)a/b;
	printf("C=%lf\n",c);
	double d=3.999994;
	int i=(int)d;
	printf("i=%d\n",i);
	double d2=2000000000000000000000.0;
	int j=(int)d2;
	printf("j=%d\n",j);
}
